Home / 682,913.40-1,024,370.10-328,619.40

Finding the Fourth Proportional to 682,913.40, 1,024,370.10 and 328,619.40

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Solution

The fourth proportional to 682,913.40, 1,024,370.10 and 328,619.40 is: 492,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,913.40 : 1,024,370.10 = 328,619.40 : x
  2. Step 2: Convert to fraction form
    682,913.40/1,024,370.10 = 328,619.40/x
  3. Step 3: Cross multiply
    682,913.40x = 1,024,370.10 × 328,619.40
  4. Step 4: Simplify right side
    682,913.40x = 336,627,887,639.94
  5. Step 5: Solve for x
    x = 336,627,887,639.94/682,913.40
  6. Step 6: Final answer
    x = 492,929.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.